He should be able to keep the tablet since he is still DOC system.
https://www.inmateaid.com/ask-the-inmate/my-guy-was-recently-transfer-to-doc-from-lawtey-facility-he-had-a-jpay-account-w-his-tablet-he-bought-is-he-not-allowed-to-have-this-tablet-along-w-stay-in-contact-w-me-through-jpay-at-this-new-facility#answer
Accepted Answer Date Created: November 21,2019